Transformers Material used for construction of transformer core is usually Silicon steel Wood Copper Aluminium Silicon steel Wood Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ None of the listed here Magnetising current is abnormally high Primary reactance is too much increased Permeability of core is increased None of the listed here Magnetising current is abnormally high Primary reactance is too much increased Permeability of core is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 400 kV 66 kV 33 kV 132 kV 400 kV 66 kV 33 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (l-s)Ns Ns s.N. (Ns-l)s (l-s)Ns Ns s.N. (Ns-l)s ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Voltage Time period Power Frequency Voltage Time period Power Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 2:1 1:2 1:1 Can be any ratio 2:1 1:2 1:1 Can be any ratio ANSWER DOWNLOAD EXAMIANS APP
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